1316400563012 has 12 divisors (see below), whose sum is σ = 2439212808060. Its totient is φ = 619482617856.

The previous prime is 1316400562937. The next prime is 1316400563053. The reversal of 1316400563012 is 2103650046131.

It can be written as a sum of positive squares in 2 ways, for example, as 1020536366656 + 295864196356 = 1010216^2 + 543934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1316400563012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9679415837 + ... + 9679415972.

It is an arithmetic number, because the mean of its divisors is an integer number (203267734005).

Almost surely, 2^{1316400563012} is an apocalyptic number.

It is an amenable number.

1316400563012 is a deficient number, since it is larger than the sum of its proper divisors (1122812245048).

1316400563012 is a wasteful number, since it uses less digits than its factorization.

1316400563012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19358831830 (or 19358831828 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 1316400563012 in words is "one trillion, three hundred sixteen billion, four hundred million, five hundred sixty-three thousand, twelve".